The Android 4.2.1 JOP40D Jelly Bean software update brings several bug fixes that are found in the previous Android 4.2.

Google has released Android 4.2.1 (Jelly Bean) as an over-the-air (OTA) update, with a base firmware of JOP40D for the Nexus 7. This update fixes issues like the missing December bug and can be accessed by browsing to Settings > About Tablet > System Update > Check for Update.

Nexus 7 users who have installed and updated devices with Android 4.2.1 may follow this guide to root the device. This root method also installs ClockWorkMod (CWM) Recovery. IBTimes UK reminds its readers it will not be responsible for damage to the device during the process. This guide is meant only for a Nexus 7 running Android 4.2.1 (JOP40D) firmware.

Browse to CWM-SuperSU-v0.98.zip file have copied to SD card, select using Power button and confirm installation on next screen

After installation process has completed, return to Recovery menu and select Reboot System Now

The Google Nexus 7 is now rooted on Android 4.2.1 (JOP40D) (Jelly Bean) official software and a custom CWM Recovery has been installed. This can be verified with the SuperSU app in the app list. To ensure proper installation, also verify with Root Checker.